How to Properly Maintain and Clean an Espresso Coffee Machine Espresso machines push water through the coffee grounds via pressure. This type of brewing results in more flavor than drip coffee. These machines need 9 bars of pressure to extract flavor from the grounds. Espresso machines are available in three https://coffeee77535.newsbloger.com/30319637/a-how-to-guide-for-coffee-machines-espresso-from-beginning-to-end